The canton of Saint-Étienne-du-Valdonnez is an administrative division of the Lozère department, southern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Saint-Étienne-du-Valdonnez.^[1]

It consists of the following communes:^[1]

44°28′N 3°34′E / 44.46°N 3.56°E / 44.46; 3.56